#define _CRT_SECURE_NO_WARNINGS 1
#include <stdio.h>
int main()
{
	///*int a = 5;
	//if (a = 3)
	//	printf("1\n");
	//else
	//	printf("0\n");*/
	//int a = 1;
	//int* pa = &a;
	//printf("%d %d", &a, pa);
	//return 0;
	int a = 10;
	int pa = &a;
	*pa = 20;
	printf("%d", a);
	return 0;
}